New DVDs

The lowdown: This HBO movie recounts the romance and turbulent marriage between famed author Ernest Hemingway and war correspondent Martha Gellhorn. The movie covers their lives from the Spanish Civil War of the late 1930s and beyond. Clive Owen and Nicole Kidman star as the famed pair.

Don't miss: A featurette on the making of the movie, a look at the film's special effects and a commentary track.

Score: ★★★

"KNUCKLEBALL"

FilmBuff ($24.98)

Rated: Not rated

The lowdown: An affectionate documentary that looks at that most elusive of pitches - the knuckleball -and the pitchers who master it. The feature looks at the subculture of the pitch and interviews hurlers including R.A. Dickey and Tom Wakefield as well as retired pitchers Wilbur Wood, Jim Bouton, Charlie Hough, Tom Candiotti and Phil Niekro. At Rottentomatoes.com, the movie received a 93 percent positive rating.

Don't miss: Among the bonus offerings are additional interviews.

Score: ★★★½

"JACKIE ROBINSON:

MY STORY"

Shout! Factory ($14.97)

Rated: Not rated

The lowdown: With the upcoming biopic "42" set to hit theaters on April 12, the combination documentary-drama gives you footage into the real Jackie Robinson. The movie features actor Stephen Hill portraying Robinson who, sitting in what is supposed to be the locker room at Ebbets Field, relates his story. Most of the feature utilizes newsreel footage and stills of Robinson on and off the field.

Don't miss: The major extra is a documentary, "Jackie Robinson: An American Hero," that covers most of the same ground that is in the movie.